export const columns = reactive({
  selection: { label: '选择列', visible: true },
  index: { label: '序号列', visible: false },
  messageId: { label: 'ID', visible: false },
  title: { label: '标题', visible: true },
  content: { label: '内容', visible: true },
  category: { label: '消息分类', visible: true },
  createByName: { label: '发送者', visible: true },
  createTime: { label: '发送时间', visible: true },
  viewed: { label: '已读/未读', visible: true },
  viewedTime: { label: '查看时间', visible: false },
  operation: { label: '操作', visible: true },
});
